Difference between revisions of "Damasonium"

Miller

The Gardeners Dictionary (fourth edition) 1: 28. 1754.

Etymology: Greek, ancient name
Synonyms: Machaerocarpus Small
Treatment appears in FNA Volume 22.
FNA>Volume Importer
imported>Volume Importer
 
(One intermediate revision by the same user not shown)
Line 48: Line 48:
 
|publication year=1754
 
|publication year=1754
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V22/V22_554.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_554.xml
 
|genus=Damasonium
 
|genus=Damasonium
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Alismataceae]]
 
-->[[Category:Treatment]][[Category:Alismataceae]]

Latest revision as of 21:32, 5 November 2020

Plants perennial, floating-leaved or emersed, glabrous; rhizomes usually absent; stolons absent; corms present; tubers absent. Roots not septate. Leaves: petiole triangular; blade with translucent markings absent, narrow-lanceolate to ovate, base rounded to attenuate, basal lobes absent, margins entire, apex acute. Inflorescences racemes [panicles], of 1–9 whorls, erect, emersed; bracts coarse, apex acute, surfaces smooth. Flowers bisexual, pedicellate; bracts subtending pedicels, lanceolate to ovate-lanceolate, much shorter than pedicels, apex acuminate; pedicels ascending to spreading; receptacle flat; sepals erect, without sculpturing, herbaceous; petals white or pink, erose; stamens 6; filaments dilated, glabrous; pistils 6–15, in single ring, radiating in starlike pattern, weakly coherent proximally; ovules 1–2; styles terminal. Fruits longitudinally ribbed, laterally compressed, not abaxially keeled, abaxial wings absent, lateral wings absent, glands absent. x = 7.

Distribution

North America, Europe, Australia.

Discussion

Species 5 (1 in the flora).